<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"> 
<title>弹性盒子实例总结</title> 
<style> 
	.flex-container1{
		display:flex;
		width:400px;
		height:250px;
		background-color:lightGray;
	}
	.flex-item1{
		width:100px;
		height:100px;
		margin:10px;
		background-color:cornflowerblue;
	}
</style>
</head>
<body>
	<div class="flex-container1">
		<div class="flex-item1">item1</div>
		<div class="flex-item1">item1</div>
		<div class="flex-item1">item1</div>
	</div>


</body>
</html>